ICD-10-CM
Factors influencing health status and contact with health services
Chapter 21, Z00-Z99. CDC FY2027 file dated June 16, 2026.
License: a US government work, in the public domain (Public Domain Mark 1.0).
Run it in Rivvi
Check every code on your export
Upload a claims or problem-list export. Rivvi flags codes that are not billable, replaced, or unspecified when a specific code exists.
Check my exportFree to start. Opens Rivvi, the AI workspace for healthcare teams.
Categories
90 categories in this chapter. Open one, or page through every code below.
- Z00Encounter for general exam without complaint, susp or reprtd dx
- Z01Encounter for other sp exam without complaint, suspected or reprtd dx
- Z02Encounter for administrative examination
- Z03Encounter for medical obs for susp diseases and condition ruled out
- Z04Encounter for examination and observation for other reasons
- Z05Enctr for Obs and eval of NB for susp diseases and condition R/O
- Z08Encounter for follow-up exam after trtmt for malignant neoplasm
- Z09Encounter for f/u exam aft trtmt for condition other than malignant neoplasm
- Z11Encounter for screening for infec/parastc diseases
- Z12Encounter for screening for malignant neoplasms
- Z13Encounter for screening for other diseases and disorders
- Z14Genetic carrier
- Z15Genetic susceptibility to disease
- Z16Resistance to antimicrobial drugs
- Z17Estrogen, and other hormones and factors receptor status
- Z18Retained foreign body fragments
- Z19Hormone sensitivity malignancy status
- Z20Contact with and (suspected) exposure to communicable diseases
- Z21Asymptomatic human immunodeficiency virus infection status
- Z22Carrier of infectious disease
- Z23Encounter for immunization
- Z28Immunization not carried out and underimmunization status
- Z29Encounter for other prophylactic measures
- Z30Encounter for contraceptive management
- Z31Encounter for procreative management
- Z32Encounter for preg test and chldbrth and childcare instruction
- Z33Pregnant state
- Z34Encounter for supervision of normal pregnancy
- Z36Encounter for antenatal screening of mother
- Z3AWeeks of gestation
- Z37Outcome of delivery
- Z38Liveborn infants according to place of birth and type of del
- Z39Encounter for maternal postpartum care and examination
- Z40Encounter for prophylactic surgery
- Z41Encounter for proc for purposes other than remedying health state
- Z42Encounter for plast/recnst surg fol med proc or healed injury
54 more categories are in this chapter. Type a code or a term to open one.
Codes
A header groups codes and is not billed. A billable code is one you can report.
361 to 400 of 1,861
- Z28.8Immunization not carried out for other reasonHeader
- Z28.81Immuniz not crd out due to patient having had the diseaseBillable
- Z28.82Immunization not carried out because of caregiver refusalBillable
- Z28.83Immunization not crd out due to unavailability of vaccineBillable
- Z28.89Immunization not carried out for other reasonBillable
- Z28.9Immunization not carried out for unspecified reasonBillable
- Z29Encounter for other prophylactic measuresHeader
- Z29.1Encounter for prophylactic immunotherapyHeader
- Z29.11Enctr for prphylc immther for respiratory syncytial virus (RSV)Billable
- Z29.12Encounter for prophylactic antiveninBillable
- Z29.13Encounter for prophylactic Rho(D) immune globulinBillable
- Z29.14Encounter for prophylactic rabies immune globulinBillable
- Z29.3Encounter for prophylactic fluoride administrationBillable
- Z29.8Encounter for other specified prophylactic measuresHeader
- Z29.81Encounter for HIV pre-exposure prophylaxisBillable
- Z29.89Encounter for other specified prophylactic measuresBillable
- Z29.9Encounter for prophylactic measures, unspecifiedBillable
- Z30Encounter for contraceptive managementHeader
- Z30.0Encounter for general counseling and advice on contraceptionHeader
- Z30.01Encounter for initial prescription of contraceptivesHeader
- Z30.011Encounter for initial prescription of contraceptive pillsBillable
- Z30.012Encounter for prescription of emergency contraceptionBillable
- Z30.013Encounter for initial prescription of injectable contracepBillable
- Z30.014Encounter for initial prescription of uterin contracep devBillable
- Z30.015Encounter for initial prescription of vagnl ringBillable
- Z30.016Enctr for initial prescription of patch hormonal contracep devBillable
- Z30.017Enctr for initial prescription of implntbl subdermal contracepBillable
- Z30.018Encounter for initial prescription of other contraceptivesBillable
- Z30.019Encounter for initial prescription of contraceptives, unspecifiedBillable
- Z30.02Cnsl and instruction in natrl family planning to avoid pregBillable
- Z30.09Encounter for other general cnsl and advice on contraceptionBillable
- Z30.2Encounter for sterilizationBillable
- Z30.4Encounter for surveillance of contraceptivesHeader
- Z30.40Encounter for surveillance of contraceptives, unspecifiedBillable
- Z30.41Encounter for surveillance of contraceptive pillsBillable
- Z30.42Encounter for surveillance of injectable contraceptiveBillable
- Z30.43Encounter for surveillance of intrauterine contracep devHeader
- Z30.430Encounter for insertion of intrauterine contraceptive deviceBillable
- Z30.431Encounter for routine checking of intrauterine contracep devBillable
- Z30.432Encounter for removal of intrauterine contraceptive deviceBillable